Normal weather for San Bernardino in March
It's pleasantly warm in March in San Bernardino with an average temperature of 22°C. Temperatures this month range from a low of 20°C to a high of 24°C. At night, you can expect temperatures between 8°C and 10°C.
In March, there is an average of 57 mm of precipitation, spread over 8 days. The wind speed is around 4 Bft, mostly coming from the Southwest.
San Bernardino in March |
London | ||
|---|---|---|---|
 Average Temperature |
22°C | 11°C | |
 High Temp |
24°C | 14°C | |
| Low Temp |
20°C | 8°C | |
 Total Precipitation |
57 mm | 55 mm | |
| Rainy Days |
8 days | 9 days | |
Start of March
The month of March starts in San Bernardino with warm temperatures, averaging around 22°C during the day and nights close to 9°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Since temperatures can differ between day and night, it’s a good idea to dress in layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a warm coat, jumper or cardigan, and long trousers.
Mid-March
By mid-March, the average daytime temperature rises to around 23°C, with nights close to 10°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
Temperatures vary between day and night, so it’s smart to wear layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
End of March
By the end of March, the average daytime temperature in San Bernardino will be around 23°C, with nights close to 10°C. Barely any chance of precipitation. The weather will mostly be dry with lots of sunshine.
As it gets cooler in the evening, it’s best to wear layers. A T-shirt, light trousers or skirt, and a light jacket are perfect for daytime. In the evening and morning, we recommend a light coat, jumper or cardigan, and long trousers.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is March a good time to visit San Bernardino?
Want nice weather? Then March is a great time to be in San Bernardino. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for San Bernardino in March
With 33°C, San Bernardino hit the highest temperature in the last 10 years in March 2015. The lowest daytime temperature in this month was 9°C in 2023. The extreme night temperatures ranged from a low of 0°C to a high of 19°C.
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Daily Temperature in March in San Bernardino
This chart shows the average daily temperatures, both day and night, for each day in March in San Bernardino, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in March in San Bernardino
The chart below shows the average daily precipitation in March for San Bernardino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for March, you can expect around 8 days of rain in San Bernardino.
Daily UV Index in March in San Bernardino
This chart shows the average daily UV index in March in San Bernardino, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in March in San Bernardino Over the Years
This chart shows the average temperature in March in San Bernardino, measured in degrees Celsius, over the past years.
Total Precipitation in March in San Bernardino Over the Years
This chart shows the average precipitation in March in San Bernardino, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in March for San Bernardino
Click on a specific day in March for detailed info on the typical weather on that day in San Bernardino. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in March in San Bernardino
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Average Weather in San Bernardino by Month
Click on a month below to see detailed weather info for San Bernardino. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of San Bernardino for all months at once
